Propagation of laser beams in photonic crystals with cubic nonlinearity

Svetlana N. Kurilkina

doi:10.1117/12.475904

24 July 2002 Propagation of laser beams in photonic crystals with cubic nonlinearity

Svetlana N. Kurilkina

Proceedings Volume 4751, ICONO 2001: Nonlinear Optical Phenomena and Nonlinear Dynamics of Optical Systems; (2002) https://doi.org/10.1117/12.475904
Event: XVII International Conference on Coherent and Nonlinear Optics (ICONO 2001), 2001, Minsk, Belarus

Abstract

We have investigated the influence of cubic optical non- linearity and derivative of group velocity on laser beam divergence by the propagation in 1D photonic crysatl which is layered periodic structure formed by anisotropic media. It has been established that the laser beam divergence is determined by two physical mechanisms: influence of non- linearity and scattering gon diffractional grating appearing in the crysatl because the presence of periodiciity of optical properties. It has been shown that the second mechanism may become the reason of strengthening the focus. We have analyzed the influence of low-frequency electric field on this phenomenon. It has been found the conditions of non-diffractional beam propagation in photonic nonlinear crystal.

Citation Download Citation

Svetlana N. Kurilkina "Propagation of laser beams in photonic crystals with cubic nonlinearity", Proc. SPIE 4751, ICONO 2001: Nonlinear Optical Phenomena and Nonlinear Dynamics of Optical Systems, (24 July 2002); https://doi.org/10.1117/12.475904

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